105157551507 has 16 divisors (see below), whose sum is σ = 142817838240. Its totient is φ = 68806137600.

The previous prime is 105157551503. The next prime is 105157551509. The reversal of 105157551507 is 705155751501.

It is a happy number.

It is not a de Polignac number, because 105157551507 - 2² = 105157551503 is a prime.

It is a super-2 number, since 2×105157551507² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105157551503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 538882 + ... + 707607.

It is an arithmetic number, because the mean of its divisors is an integer number (8926114890).

Almost surely, 2^105157551507 is an apocalyptic number.

105157551507 is a deficient number, since it is larger than the sum of its proper divisors (37660286733).

105157551507 is a wasteful number, since it uses less digits than its factorization.

105157551507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247014.

The product of its (nonzero) digits is 153125, while the sum is 42.

The spelling of 105157551507 in words is "one hundred five billion, one hundred fifty-seven million, five hundred fifty-one thousand, five hundred seven".